Shishi

Shishi

https://www.gnu.org/s/shishi/
Shishi is a (still incomplete) free implementation of the Kerberos 5 network security system. It includes a library ('libshishi') that developers can use to add support for RFC 1510, and a command line utility ('shishi') that lets users interface with the library, acquire and manage tickets, and more. Included are also a TELNET client and server (based on GNU InetUtils) for remote network login, and a PAM module for host security. Shishi is still alpha quality. Basic support for acquiring and managing tickets are working. The KDC server side can only serve initial authentication requests. DES, 3DES and AES cipher suites are supported.

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